Feature(may vary by option.)

●The drill bits in the pack are 400mm long, which are longer and drill deeper than standard drill bits. These twist drills made of high speed steel are durable and have high abrasion resistance and long service life.
●With the double groove chip removal design, these drill bits can speed up the process of drilling and chip removal. And the round shank is suitable for most types of hand drills and impact drills.
●Twist drills are formed after quenching and meet industrial tolerance standards for bore diameter. Each bit meets industrial performance and safety standards.
●Suitable for various materials such as die steel, spring steel, white steel, carbon steel, aluminium, copper, wood, stainless steel (within 1-4 mm), plastic and PVC, etc.
●Each selection includes only one size extra long twist drill, please buy as needed.

[9mm]





Description

Twist drills are formed after quenching and meet industrial tolerance standards for bore diameter. Each bit meets industrial performance and safety standards.


Suitable for various materials such as die steel, spring steel, white steel, carbon steel, aluminium, copper, wood, stainless steel (within 1-4 mm), plastic and PVC, etc.

Extra long drill details:
Length of each drill: 400 mm.
Material: high-speed steel.
Twist drill diameter:

6/7/8/9/10/11/12/13/14 mm.

Tips:
Please add some water during drilling in case the bits break.
Please take protective measures during use to avoid accidents.

Package list:
400mm extra long drill bits